/usr/lib/x86_64-linux-gnu/dpdk-17.11-drivers/librte_pmd_skeleton_event.so.17.11 is in librte-pmd-skeleton-event17.11 17.11.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/dpdk-17.11-drivers/../librte_pmd_skeleton_event.so.17.11